<template>
    <div>
        <div class="crumbs">
            <el-breadcrumb separator="/">
                <el-breadcrumb-item >
                    <i class="el-icon-lx-cascades"></i> 基础表格
                </el-breadcrumb-item>
            </el-breadcrumb>
        </div>
        <div class="container">
            <div class="handle-box">
                <el-button 
                type="primary" 
                icon="el-icon-delete"
                class="handle-del mr10"
                @click="delAllSelection"
                >批量删除</el-button>
                <el-select v-model="query.address" placeholder="地址" class="handle-select mr10">
                    <el-option key="1" label="广东省" value="广东省"></el-option>
                    <el-option key="2" label="山西省" value="山西省"></el-option>
                </el-select>
                <el-input v-model="query.name" placeholder="用户名" class="handle-input mr10"></el-input>
                <el-button type="primary" icon="el-icon-search" @click="handleSearch">搜索</el-button>
            </div>
             <el-table :data="tableData" border class="table" ref="multipleTable"
            header-cell-class-name="table-header"  @selection-change="handleSelectionChange">
                <el-table-column type="selection" width="55" align="center"></el-table-column>
                <el-table-column prop="id" label="ID" width="55" align="center"></el-table-column>
                <el-table-column prop="name" label="用户名"  align="center"></el-table-column>
                <el-table-column  label="账户余额"  align="center">
                    <template slot-scope="scope">￥{{ scope.row.money }}</template>
                </el-table-column>
                <el-table-column label="头像(查看大图)"  align="center">
                    <template slot-scope="scope">
                        <el-image class="table-td-thumb" :src="scope.row.thumb"
                            :preview-src-list="[scope.row.thumb]"></el-image>
                    </template>
                </el-table-column>
                <el-table-column prop="address" label="地址"  align="center"></el-table-column>
                <el-table-column  label="状态" align="center">
                    <template slot-scope="scope">
                        <el-tag :type="scope.row.state==='成功'?'success': (scope.row.state==='失败'?'danger':'')"> {{ scope.row.state }}</el-tag>
                    </template>
                </el-table-column>
                <el-table-column prop="date" label="注册时间"  align="center"></el-table-column>
                <el-table-column label="操作"  align="center">
                    <template slot-scope="scope">
                        <el-button type="text" icon="el-icon-edit" @click="handleEdit(scope.$index,scope.row)">编辑</el-button>
                        <el-button type="text" icon="el-icon-delete" class="red" @click="handleDelete(scope.$index,scope.row)">删除</el-button>
                    </template>
                </el-table-column>
            </el-table>
            <div class="pagination">
                <el-pagination
                    background
                    layout="total,prev, pager, next"
                    :current-page="query.pageIndex"
                    :page-size="query.pageSize"
                    :total="pageTotal"
                    @current-change="handlePageChange">
                </el-pagination>
            </div>
        </div>
        <el-dialog
        title="编辑"
        :visible.sync="editVisible"
        width="30%"
        center>
            <el-form ref="form" :model="form" label-width="70px">
                <el-form-item label="用户名">
                    <el-input v-model="form.name"></el-input>
                </el-form-item>
                <el-form-item label="地址">
                    <el-input v-model="form.address"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveEdit">确 定</el-button>
            </span>
        </el-dialog>

    </div>
</template>
<script>
import { fetchData} from '../api/index.js'
export default {
    data(){
        return{
            query: {
                address: '',
                name: '',
                pageIndex: 1,
                pageSize: 10
            },
            tableData: [],
            multipleSelection: [],
            delList: [],
            editVisible: false,
            pageTotal: 0,
            form: {},
            idx: -1,
            id: -1
        }
        
    },
    created() {
        this.getData()
    },
    methods: {
        getData(){
            fetchData(this.query).then(res => {
                console.log(res);
                this.tableData = res.list;
                this.pageTotal= res.pageTotal || 50;
            })
            
        },
        // 搜索
        handleSearch(){
            this.$set(this.query, 'pageIndex', 1);
            this.getData();
        },
        // 单个删除
        handleDelete(index,row){
            this.$confirm('确定删除?', '提示', {
                type: 'warning'
            }).then( ()=> {
                this.$message.success('删除成功');
                this.tableData.splice(index, 1);
            }).catch(()=> {

            });
        },
        // 多选操作
        handleSelectionChange(val){
            this.multipleSelection = val;
        },
        // 删除所有
        delAllSelection(){
            const length = this.multipleSelection.length;
            let str = '';
            this.delList = this.delList.concat(this.multipleSelection);
            for (let i=0; i<length; i++) {
                str += this.multipleSelection[i].name + ' ';
            }
            this,$Message.error(`删除了${str}`);
            this.multipleSelection = [];
        },
        // 编辑操作
        handleEdit(index,row){
            this.idx = index;
            this.form = row;
            this.editVisible = true;
        },
        // 保存编辑
        saveEdit(){
            this.editVisible = false;
            this.$message.success(`修改第${this.idx+1}行成功`);
            this.$set(this.tableData, this.idx, this.form);
        },
        // 分页导航
        handlePageChange(val){
            this.$set(this.query, 'pageIndex', val);
            this.getData();
        }
    }
}
</script>
<style scoped>
.handle-box {
    margin-bottom: 20px;
}
.handle-select {
    width: 120px;
}
.handle-input {
    width: 300px;
    display: inline-block;
}
.mr10 {
    margin-right: 10px;
}
.table {
    width: 100%;
    font-size: 14px;
}
.red {
    color:  red;
}
.table-td-thumb {
    display: block;
    margin: auto;
    width: 40px;
    height: 40px;
}
</style>


